<template>
    <a-modal
            :width="1000"
            :title="title"
            :visible="innerVisible"
            @cancel="handleCancel"
            cancelText="关闭"
            :okButtonProps="{style:{display:'none'}}"
    >
        <a-alert type="info" showIcon style="margin-bottom: 16px;">
            <template slot="message">
                <span>已选择</span>
                <a style="font-weight: 600;padding: 0 4px;">{{ selectedRowKeys.length }}</a>
                <span>项</span>
                <template v-if="selectedRowKeys.length>0">
                    <a-divider type="vertical"/>
                    <a @click="handleClearSelection">清空选择</a>
                    <a-divider type="vertical"/>
                    <a @click="handleRevertBatch">批量还原</a>
                    <a-divider type="vertical"/>
                    <a @click="handleDeleteBatch">批量删除</a>
                </template>
            </template>
        </a-alert>

        <a-table
                ref="table"
                rowKey="id"
                size="middle"
                bordered
                :columns="columns"
                :loading="loading"
                :dataSource="dataSource"
                :pagination="false"
                :rowSelection="{selectedRowKeys, onChange: handleTableSelectChange}">

            <!-- 显示头像 -->
            <template slot="avatarslot" slot-scope="text, record, index">
                <div class="anty-img-wrap">
                    <a-avatar shape="square" :src="url.getAvatar(record.avatar)" icon="user"/>
                </div>
            </template>

            <span slot="action" slot-scope="text, record">
        <a @click="handleRevert([record.id])"><a-icon type="redo"/> 还原用户</a>
        <a-divider type="vertical"/>
        <a @click="handleDelete([record.id])"><a-icon type="delete"/> 彻底删除</a>
      </span>
        </a-table>

    </a-modal>
</template>

<script>
import { putAction, deleteAction, getFileAccessHttpUrl } from "@/api/manage"

// 高度封装的请求，请务必使用 superRequest.call(this,{}) 的方式调用
function superRequest(options) {
  this.loading = !!options.loading
  options.promise.then(res => {
    if (res.success && typeof options.success === 'function') {
      options.success(res)
    } else {
      throw new Error(res.message)
    }
  }).catch(e => {
    console.error('查询已删除的用户失败：', e)
    this.$message.warning('查询已删除的用户失败：' + (e.message || e))
  }).finally(() => {
    this.loading = false
  })
}

export default {
  name: 'UserRecycleBinModal',
  props: {
    visible: {
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      title: '用户回收站',
      loading: false,
      innerVisible: false,
      selectedRowKeys: [],
      dataSource: [],
      columns: [
        { title: '#', align: 'center', key: 'rowIndex', width: 80, customRender: (t, r, i) => i + 1 },
        { title: '账号', align: 'center', dataIndex: 'username' },
        { title: '姓名', align: 'center', dataIndex: 'realname' },
        { title: '头像', align: 'center', dataIndex: 'avatar', scopedSlots: { customRender: 'avatarslot' } },
        { title: '部门', align: 'center', dataIndex: 'orgCode' },
        { title: '操作', align: 'center', dataIndex: 'action', width: 200, scopedSlots: { customRender: 'action' } }
      ],
      url: {
        getAvatar: (path) => getFileAccessHttpUrl(`${path}`),
        // 回收站操作，get = 获取列表；put = 取回；delete = 彻底删除
        recycleBin: '/sys/user/recycleBin',
        putRecycleBin: '/sys/user/putRecycleBin',
        deleteRecycleBin: '/sys/user/deleteRecycleBin'
      }
    }
  },
  watch: {
    visible: {
      immediate: true,
      handler(val) {
        if (val) {
          this.loadData()
        }
        this.innerVisible = val
      }
    },
    innerVisible(val) {
      this.$emit('update:visible', val)
    }
  },
  methods: {
    loadData() {
      superRequest.call(this, {
        loading: true,
        promise: this.$http.get(this.url.recycleBin),
        success: res => this.dataSource = res.result
      })
    },
    handleOk() {
      this.loadData()
      this.$emit('ok')
    },
    handleCancel() {
      this.innerVisible = false
    },
    // 还原用户
    handleRevert(userIds) {
      this.$confirm({
        title: '恢复用户',
        content: `您确定要恢复这 ${userIds.length} 个用户吗？`,
        centered: true,
        onOk: () => {
          putAction(this.url.putRecycleBin, { userIds: userIds.join(',') }).then((res) => {
            if (res.success) {
              this.handleOk()
              this.handleClearSelection()
              this.$message.success(`还原 ${userIds.length} 个用户成功！`)
            }
          })
        }
      })
    },
    // 彻底删除用户
    handleDelete(userIds) {
      this.$confirm({
        title: '彻底删除用户',
        content: (<div>
          <p>您确定要彻底删除这 {userIds.length} 个用户吗？</p>
          <p style="color:red;">注意：彻底删除后将无法恢复，请谨慎操作！</p>
        </div>),
        centered: true,
        onOk: () => {
          var that = this;
          deleteAction(that.url.deleteRecycleBin, { userIds: userIds.join(',') }).then((res) => {
            if (res.success) {
              this.loadData()
              this.handleClearSelection()
              this.$message.success(`彻底删除 ${userIds.length} 个用户成功！`)
            } else {
              that.$message.warning(res.message);
            }
          });
        }
      })
    },
    handleRevertBatch() {
      this.handleRevert(this.selectedRowKeys)
    },
    handleDeleteBatch() {
      this.handleDelete(this.selectedRowKeys)
    },
    handleClearSelection() {
      this.handleTableSelectChange([], [])
    },
    handleTableSelectChange(selectedRowKeys, selectionRows) {
      this.selectedRowKeys = selectedRowKeys
      this.selectionRows = selectionRows
    }
  }
}
</script>

<style lang="less" scoped></style>
